Hopco M1/M14 Mount

[CanukMauser]

Was looking at globe sights for my M1 and saw this. Does anyone have any experience with this set-up?

http://www.hopcousa.com/index.html

https://youtu.be/er__eN-Xm_M

 

[lerch641]

M14.ca makes similar, either picatinny or solid mount.